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Subsequent Events (Details) - USD ($) | Jun. 09, 2021 | Jul. 08, 2021 | May 31, 2021
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May 2018 Stock Repurchase Program |  |  |
Subsequent Event [Line Items] |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  |  | 2,193,947
Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Gain (Loss) on Extinguishment of Debt | $ 5,000,000.0 |  |
Subsequent Event [Member] | July 2021 Stock Repurchase Program |  |  |
Subsequent Event [Line Items] |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  | 5,000,000 |
Senior Notes Due Two Thousand Thirty One At Four Point Zero Zero Percent | Senior Notes [Member] | Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Debt Instrument, Face Amount | $ 390,000,000.0 |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.00% |  |
Conversion Price Premium | 100.00% |  |
7.00% Senior notes due December 15, 2021 [Member] | Senior Notes [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Debt Instrument, Face Amount |  |  | $ 450,000,000.0
Debt Instrument, Interest Rate, Stated Percentage |  |  | 7.00%
7.00% Senior notes due December 15, 2021 [Member] | Senior Notes [Member] | Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Debt Instrument, Repurchased Face Amount | $ 269,800,000 |  |
Senior Notes Due September Two Thousand Twenty One At Seven Point Zero Zero Percent | Senior Notes [Member] | Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Debt Instrument, Face Amount | $ 180,200,000 |  |
Debt Instrument, Interest Rate, Stated Percentage | 7.00% |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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